Working of keyboard and display controller


1) Describe the architecture of 8085 in detail.

2)(i) Sketch the timing diagram of instruction MVI A, 32H.

(ii) Write down a program to determine the maximum number in the given array of 10 numbers.

3) Describe the addressing modes of 8086 in detail.

4) Explain the minimum code configuration of 8086.

5) Explain the working of keyboard and Display controller in detail.

6) Explain the operation of DMA controller with a neat and suitable sketch.

7) Describe how the alphanumeric display is interfaced to a microprocessor with appropriate circuit.

8) Illustrate how a microprocessor based traffic light controller works with the help of a program.

9) Explain the architecture of 80286 in detail.

10) Compare and contrast the features of 8d186, 80286, 80386 and Pentium Processor.

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Computer Engineering: Working of keyboard and display controller
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